Vortice E 254M ATE, Instruction Booklet

Page: 23 / 180

23
If the direction of fan rotation does not correspond to the envisaged direction, disconnect the power and wait
until the motor is completely stationary:
- THREE-PHASE APPLIANCES : invert two of the three phases;
- SINGLE PHASE APPLIANCES: invert the wires of the auxiliary winding.
B - vibration monitoring
(only for installations in potentially explosive environments containing conductive powders - classification ATEX
II 2 D b T135°C X).
Appliances installed in environments with the presence of explosive powders, according to EN 14986, must be
subject to continuous monitoring of vibrations during operation. The alarm and shutoff levels stated below
meet the requirements of the international standard ISO 14694 Industrial fans — Specifications for balance
quality and vibration levels, according to category BV-3.
Field of application: HVAC
Ventilation of industrial sheds, garages, warehouses, businesses and industries in general;
Degree of balancing
G 6,3;
2
Interruttore magnetotermico tripolare Approvato ATEX: II (2) G/D - Three phase Circuit breaker ATEX Approved: II (2) G/D
U1 V1 W1
TRIFASE - THREE PHASE
2
R T S
W2 V2 U2
ENGLISH